live within one's means

量入为出:只花钱在自己能负担得起的东西上。
常用释义
量入为出:只花钱在自己能负担得起的东西上。

例句

1·To cure its addiction to debts, the United States has to re-establish the common sense principle that one should live within one's means.

美国要戒掉‘债瘾’,就必须重新建立量入为出这个常识性的原则。